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April 1998, Week 1

HP3000-L@RAVEN.UTC.EDU

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From:
Denys Beauchemin <[log in to unmask]>
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Date:
Sat, 4 Apr 1998 13:49:14 -0600
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Bruce is completely correct.  I knew that you can change the IP settings on
the fly for NT 4.0, without even bothering with the net commands.  My
notebook has been running NT 4.0 for some months now.  So when I posted and
said you could also change the settings on the fly for Windows 95 as well
as NT, I was not in a position to test 95.

I knew NT worked, and I didn't have the time to shutdown my notebook to
swap disk drives, boot Windows 95 and tinker around with the IP stuff.  I
guess it is a defect in Windows 95 or NT that you must bring them down
before you swap the disk with another operating system.  I bet Apple
PowerBooks can do that.  My notebook never crashes.  It stays up until I
have to effect a dock, or PC-card change, or travel.  But even when I
travel, I use the hibernation function so it is always ready to use.

Anyways, since Windows 95 allows you to get a new address served by a DHCP
server, using the program winipcfg, I ASSUMED it would also allow the
changes for a static IP address without a reboot just like Windows NT 4.0.
 Bruce says I am wrong about Windows 95, and I won't dispute that.

However on Windows NT 4.0 you can certainly do that.  You can even verify
the address with the winipcfg NT equivalent, wntipcfg, from the resource
kit or plain ipconfig, as Steve so thoroughly described.

Kind regards,

Denys. . .

Denys Beauchemin
HICOMP America, Inc.
(800) 323-8863  (281) 288-7438         Fax: (281) 355-6879
denys at hicomp.com                             www.hicomp.com


-----Original Message-----
From:   toback2 [SMTP:[log in to unmask]]
Sent:   Friday, April 03, 1998 5:32 PM
To:     [log in to unmask]
Subject:        Re: Some Friday (very) random thoughts.

Steve Dirickson wrote:
>[Bruce Toback wrote:]
>        How do I get Win95 to change its IP address and such without
>rebooting?>>
>
>Denys will have to enlighten us about Win95, but I can say a few things
>about NT.
>
>The "net" command is a little-known interface to the networking (and
other)
>subsystems on both Win9x and NT. You can start, stop, and configure a
>variety of subsystems using variations on the command.
[Command sequence snipped]
>At this point I can access the network using the new IP address.
>
>It's worth the time to spend a few minutes poking around with "net help"
and
>related commands.

Before I posted my original message, I tried changing the IP address on
my desktop WinNT 4.0 box using the control panel. The new setting took
effect as soon as I pressed the "OK" button to end the dialog. Existing
connections retained their old addresses, but new connections used the
new address.

So apparently, NT4.0 allows some live reconfiguration without shutting
down running services. NT3.51 definitely did not.

-- Bruce


--------------------------------------------------------------------------
Bruce Toback    Tel: (602) 996-8601| My candle burns at both ends;
OPT, Inc.            (800) 858-4507| It will not last the night;
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